One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(3,7)(10,12)(13,16)(17,18,20,22)(19,21,23,24)(2,5)(6,8)(9,10,14,12)(11,16,15,13)(19,23)(21,24)(25,26,29,28)(27,31,32,30)(1,2)(3,6)(4,5)(7,8)(9,11,14,15)(10,13,12,16)(17,19,20,23)(18,21,22,24)(25,27,29,32)(26,30,28,31)(1,2)(3,6)(4,5)(7,8)(9,12,14,10)(11,13,15,16)(17,18)(19,21)(20,22)(23,24)(25,28,29,26)(27,31,32,30)(1,3)(2,6)(4,7)(5,8)(9,13)(10,15)(11,12)(14,16) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.